Table 1.

Comparison of demographic characteristics and vaccination status of children selected for the serosurvey participation by hepatitis B testing status, across survey sites — Ukraine, 2017

Characteristics	Tested for hepatitis B		Not tested for hepatitis B (refused or not enough sample)		P value
	No.	%	No.	%
Zakarpattya
Total children	1,268	100.0	313	100.0	n/a
2006-2009 cohorts	667	52.6	124	39.6	<0.001
Female	593	46.8	149	47.6	0.790
Received ≥3 doses of HepB	538	42.4	109	34.8	0.024
Sumy
Total children	1,380	100.0	213	100.0	n/a
2006-2009 cohorts	699	50.7	99	44.6	0.100
Female	661	47.9	115	54.0	0.100
Received ≥3 doses of HepB	1,021	74.0	72	33.8	<0.001
Odessa
Total children	1,265	100.0	269	100.0	n/a
2006-2009 cohorts	663	52.4	107	39.8	<0.001
Female	611	48.3	141	52.4	0.220
Received ≥3 doses of HepB	679	53.7	107	39.8	<0.001
Kyiv City
Total children	683	100.0	116	100.0	n/a
2006-2009 cohorts	352	51.5	47	40.5	0.029
Female	340	49.8	45	38.8	0.290
Received ≥3 doses of HepB	347	50.8	54	46.6	0.399

Note. Doses of any vaccines containing hepatitis B component are included. Immunization information reflects the status as of July–August 2017, prior to the survey specimen collection in late August–September 2017; n/a – not applicable; HepB, hepatitis B-containing vaccine